Table 2: Comparison of PAC derived hemodynamic parameters between Group I (n=25) and Group II (n=25).

Variable

Group

Baseline

1 minute post induction

3 minutes post induction

1 minutes post intubation

3 minutes post intubation

5 minutes post intubation

5 minutes after protamine

30 minutes after protamine

HR (beats/min

Group I

71.40±18.23

72.88±20.71

74.8±18.44

80.00±19.73*

82.16±20.38*

76.60±18.14*

87.92±18.88*

84.60±19.46*

 

Group II

68.76±13.59

68.72±13.62

71.28±15.93

74.04±10.79

76.72±11.53*

73.16±15.41

83.64±17.18*

82.68±17.33*

MAP (mm Hg)

Group I

102.08±16.35

99.96±19.22#

84.08±16.47*

96.44±30.71

92.56±17.07*

86.36±13.34*

79.96±12.08*

83.16±12.97*

 

Group II

98.04±14.96

81.68±21.74*#

84.88±29.82*

90.12±18.65

89.44±17.08*

83.40±18.99*

72.80±13.07*

77.64±9.64*

SI (mL/beat/m2)

Group I

42.72±12.36

37.68±13.45*

31.76±9.05*

30.60±10.37*

29.64±9.79*

30.68±8.98*

27.72±9.28*

29.68±14.19*

 

Group II

44.92±16.61

36.68±12.03*

33.28±11.67*

34.56±12.21*

31.84±10.14*

32.88±10.44*

32.16±15.31*

33.84±14.48*

CI (L/min/m2)

Group I

2.90±0.86

2.60±0.85*

2.28±0.64*

2.38±0.76*

2,27±0.61*

2.30±0.75*

2.33±0.74*

2.35±0.90*

 

Group II

3.07±1.36

2.50±0.95*

2.43±0.99*

2.50±0.81*

2.41±0.71*

2.33±0.69*

2.61±1.12

2.92±1.47

PCWP (mm Hg)

Group I

12.48±6.49

12.40±6.84

11.80±5.61

12.20±6.03

11.80±5.87

10.60±5.26

9.28±3.22*

9.36±3.86*

 

Group II

9.56±4.65

11.16±4,46

11.76±5.62

11.60±5.22

10.28±3.43

9.64±3.07

9.84±3.41

8.92±3.94

CVP

Group I

6.68±2.72

6.84±2.48

6.76±2.40

6.44±2.43

6.64±2.54

6.56±2.16

5.24±2.68*

5.56±2.84

 

Group II

5.84±2.79

5.80±2.97

5.88±2.71

5.84±2.73

5.92±2.83

6.00±2.72

5.56±3.21

5.72±2.94

SVRI

Group I

2779.44±796.34

3102.24±1210.41

2827.12±1024.41

3118.64±1299.76

3145.40±912.60

3028.92±1257.65

3027.04±1672.12

3007.28±1537.56

 

Group II

2632.64±756.44

2587.60±915.95

2702.56±860.24

2817.44±838.13

2951.64±901.88

2766.96±912.90

2394.20±1161.61

2829.00±2057.14

PVRI

Group I

269.92±126.47

290.16±164.00#

292.80±217.24

339.12±287.26#

283.16±199.62

281.62±167.49

163.32±83.68*

202.96±135.37*

 

Group II

208.48±100.60

181.44±102.59#

238.44±173.88

191.56±115.81#

255.20±156.12

205.32±95.43

134.72±77.33*

150.68±84.33*

SvO2 ( % )

Group I

75.84±6.69

 

 

 

 

 

 

75.73±7.12

 

Group II

75.96±6.50

 

 

 

 

 

 

79.27±8.79

BIS

Group I

91.00±5.77

62.44±11.52*

53.76±7.42*

52.16±9.02*

51.52±7.77*

52.64±7.91*

49.08±6.59*#

49.56±8.41*#

 

Group II

92.92±6.05

58.88±13.49*

54.28±11.91*

51.56±11.54*

49.84±10.36*

48.80±7.42*

54.28±8.80*#

56.32±6.57*#

*P<0.05, compared to baseline, #P<0.05, Group I vs. Group II.

MAP: Mean Arterial Pressure; CVP: Central Venous Pressure; MPAP: Mean Pulmonary Artery Pressure; PCWP: Pulmonary Capillary Wedge Pressure; HR: Heart Rate; SI: Stroke Index; CI: Cardiac Index; SVRI: Systemic Vascular Resistance Index; PVRI: Pulmonary Vascular Resistance Index; LVSWI: Left Ventricular Stroke Work Index; RVSWI: Right Ventricular Stroke Work Index; SvO2: Mixed Venous Saturation; BIS: Bispectral Index.